Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Computerised acoustical respiratory phase detection without airflow measurement.

Z K Moussavi1, M T Leopando, H Pasterkamp

  • 1Department of Electrical Engineering, University of Manitoba, Winnipeg, Canada.

Medical & Biological Engineering & Computing
|June 1, 2000
PubMed
Summary

A new acoustical method accurately detects breathing phases relative to swallows using chest and tracheal sounds. This non-invasive technique offers a reliable tool for assessing swallowing dysfunction without airflow measurement.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Prevalence and clinical associations of wheezes and crackles in the general population: the Tromsø study.

BMC pulmonary medicine·2019
Same author

Siblings of children with complex care needs: their perspectives and experiences of participating in everyday life.

Child: care, health and development·2016
Same author

Breath stacking in children with neuromuscular disorders.

Pediatric pulmonology·2013
Same author

Of Microsoft and mycobacteria.

The Canadian journal of infectious diseases = Journal canadien des maladies infectieuses·2007
Same author

Classification of lung sounds during bronchial provocation using waveform fractal dimensions.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2007
Same author

Acoustic imaging of the human chest.

Chest·2001

Area of Science:

  • Biomedical Engineering
  • Respiratory Physiology
  • Clinical Acoustics

Background:

  • Swallowing dysfunction assessment often requires invasive methods.
  • Accurate detection of respiratory phases during swallowing is crucial for diagnosis.
  • Non-invasive methods for monitoring respiratory-swallow interaction are needed.

Purpose of the Study:

  • To develop and validate a simple, non-invasive acoustical method for detecting respiratory phases in relation to swallows.
  • To assess the accuracy of the acoustical method without direct airflow measurement.
  • To identify optimal chest wall locations for breath sound recording.

Main Methods:

  • Breath sounds were recorded at the trachea and five chest wall locations in 21 healthy subjects.

Related Experiment Videos

  • Simultaneous airflow was measured using a pneumotachograph.
  • An algorithm utilized chest and tracheal sounds to detect respiratory phases, identifying the 'best location' on the chest for signal clarity.

    • Main Results:

    • The acoustical method achieved 100% accuracy in estimating respiratory phases.
    • The optimal chest recording location was identified in the mid-clavicular line (2nd left or 3rd right interspace).
    • The method successfully detected respiratory phases without relying on airflow data.

    Conclusions:

    • Acoustical monitoring of breaths and swallows is a promising non-invasive assessment tool.
    • This technique offers a reliable and accessible method for studying swallowing dysfunction.
    • The developed algorithm provides accurate respiratory phase detection for clinical applications.